Warner Bros. has moved the release of Aquaman back a couple of months, from October 5, 2018 to December 21, 2018.
Aquaman will now compete with an animated Spider-Man movie from Sony, which is coming out on that same day in December.
No reason for the delay has been given at this time. Stay tuned to Batman News for more details as we get them.
Update: Aquaman director James Wan had a message for fans after this news broke:
— James Wan (@creepypuppet) March 16, 2017